title: Aplasia of sigmoid sinus with high-lying jugular bulb.
mesh_terms: D000328:Adult; D003392:Cranial Sinuses / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D007601:Jugular Veins / Q000000981:diagnostic imaging; D011859:Radiography; D014012:Tinnitus / Q000209:etiology